A job or occupation carried out at home or on a part-time basis. / A small-scale industry, with relatively few employees or a limited customer base or low economic impact.

Any industry that does not require high capitalization or heavy machinery.

The sector of industry that involves the intellectual services: research, development, and information. It is considered the fourth basic industry.

(economics) An industry that processes raw materials produced by primary industry into goods suitable for tertiary industry to provide goods or services to consumers.

The technological and commercial institutions of filmmaking.

Industrial processes that are very complex or involve large and heavy equipment, facilities, or end products.

(manufacturing) An industry or any large manufacturing facility that utilizes one or more smokestacks to dispose of unwanted materials into the atmosphere.

plural of cottage industry

A prominent business person who owns or is the highest-ranking executive of one or more major firms, especially one who has considerable wealth and influence.

plural of secondary industry